package com.yaoli.niuke;

import java.util.Scanner;

/**
 * Created by will on 2017/5/11.
 */
public class _900_Test {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);

        Integer n = input.nextInt();
        for(int i = 1 ; i < Math.sqrt(n) ; i++){

        }
    }
}
